DURABLE POLISHED STEEL - Wrenches are made from durable chrome vanadium steel with a fully polished finish 
MORE SURFACE CONTACT - V cut throat on wrench open end provides more contact with fastener surfaces 
NON-SLIP GROOVES - Non-slip grooves on open end allow removal of rounded fasteners 
144 POSITION RATCHET - Box end is a 144-position ratchet allowing you to work in a fraction of the space other wrenches need 
SHORT SWING DISTANCE - Ratcheting box end only needs a rotation distance of 2.5 degrees to work 
4X THE STRENGTH - Ratcheting box end has been tested at up to four times the torque strength of the industry standard 
INCLUDED SIZES - 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch